diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp index d5a7873bd056..abf5b213bbac 100644 --- a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp +++ b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp @@ -485,6 +485,9 @@ bool PPCTTIImpl::mightUseCTR(BasicBlock *BB, TargetLibraryInfo *LibInfo, case Intrinsic::experimental_constrained_sin: case Intrinsic::experimental_constrained_cos: return true; + // There is no corresponding FMA instruction for PPC double double. + // Thus, we need to disable CTR loop generation for this type. + case Intrinsic::fmuladd: case Intrinsic::copysign: if (CI->getArgOperand(0)->getType()->getScalarType()-> isPPC_FP128Ty()) |